/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 01:01:55,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 01:01:55,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 01:01:55,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 01:01:55,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 01:01:55,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 01:01:55,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 01:01:55,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 01:01:55,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 01:01:55,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 01:01:55,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 01:01:55,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 01:01:55,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 01:01:55,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 01:01:55,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 01:01:55,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 01:01:55,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 01:01:55,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 01:01:55,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 01:01:55,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 01:01:55,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 01:01:55,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 01:01:55,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 01:01:55,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 01:01:55,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 01:01:55,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 01:01:55,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 01:01:55,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 01:01:55,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 01:01:55,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 01:01:55,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 01:01:55,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 01:01:55,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 01:01:55,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 01:01:55,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 01:01:55,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 01:01:55,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 01:01:55,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 01:01:55,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 01:01:55,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 01:01:55,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 01:01:55,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-13 01:01:55,898 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 01:01:55,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 01:01:55,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 01:01:55,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 01:01:55,901 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 01:01:55,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 01:01:55,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 01:01:55,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 01:01:55,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 01:01:55,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 01:01:55,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 01:01:55,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 01:01:55,904 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 01:01:55,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 01:01:55,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 01:01:55,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 01:01:55,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 01:01:55,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 01:01:55,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 01:01:55,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 01:01:55,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 01:01:55,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 01:01:55,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 01:01:55,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 01:01:55,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 01:01:55,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 01:01:55,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 01:01:55,907 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 01:01:56,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 01:01:56,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 01:01:56,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 01:01:56,267 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 01:01:56,268 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 01:01:56,269 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2020-10-13 01:01:56,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c40d8cb3/c9e1994302f7424a84d0f281b8c9fd37/FLAGff698936b [2020-10-13 01:01:57,105 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 01:01:57,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2020-10-13 01:01:57,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c40d8cb3/c9e1994302f7424a84d0f281b8c9fd37/FLAGff698936b [2020-10-13 01:01:57,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c40d8cb3/c9e1994302f7424a84d0f281b8c9fd37 [2020-10-13 01:01:57,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 01:01:57,642 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 01:01:57,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 01:01:57,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 01:01:57,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 01:01:57,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:57" (1/1) ... [2020-10-13 01:01:57,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae6b0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:57, skipping insertion in model container [2020-10-13 01:01:57,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:57" (1/1) ... [2020-10-13 01:01:57,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 01:01:57,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 01:01:58,629 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6697] [2020-10-13 01:01:58,630 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6698-6699] [2020-10-13 01:02:00,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 01:02:00,178 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 01:02:00,347 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6697] [2020-10-13 01:02:00,348 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6698-6699] [2020-10-13 01:02:00,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 01:02:00,824 INFO L208 MainTranslator]: Completed translation [2020-10-13 01:02:00,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:00 WrapperNode [2020-10-13 01:02:00,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 01:02:00,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 01:02:00,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 01:02:00,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 01:02:00,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:00" (1/1) ... [2020-10-13 01:02:00,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:00" (1/1) ... [2020-10-13 01:02:00,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:00" (1/1) ... [2020-10-13 01:02:00,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:00" (1/1) ... [2020-10-13 01:02:01,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:00" (1/1) ... [2020-10-13 01:02:01,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:00" (1/1) ... [2020-10-13 01:02:01,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:00" (1/1) ... [2020-10-13 01:02:01,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 01:02:01,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 01:02:01,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 01:02:01,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 01:02:01,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 01:02:01,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 01:02:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 01:02:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2020-10-13 01:02:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-13 01:02:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2020-10-13 01:02:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 01:02:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 01:02:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 01:02:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 01:02:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 01:02:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 01:02:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 01:02:01,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 01:02:01,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 01:02:01,253 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 01:02:01,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 01:02:01,254 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-13 01:02:01,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-13 01:02:01,255 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-13 01:02:01,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2020-10-13 01:02:01,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-13 01:02:01,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-13 01:02:01,255 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2020-10-13 01:02:01,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-13 01:02:01,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-13 01:02:01,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_packet [2020-10-13 01:02:01,256 INFO L138 BoogieDeclarations]: Found implementation of procedure symbolic [2020-10-13 01:02:01,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_start_transfer [2020-10-13 01:02:01,256 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_control_request [2020-10-13 01:02:01,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_complete [2020-10-13 01:02:01,257 INFO L138 BoogieDeclarations]: Found implementation of procedure write_led [2020-10-13 01:02:01,257 INFO L138 BoogieDeclarations]: Found implementation of procedure set_led_bit [2020-10-13 01:02:01,257 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_led [2020-10-13 01:02:01,257 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_timer_expire_t3 [2020-10-13 01:02:01,257 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_timer_expire_t4 [2020-10-13 01:02:01,257 INFO L138 BoogieDeclarations]: Found implementation of procedure s0_state_handler [2020-10-13 01:02:01,258 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_isoc_urb [2020-10-13 01:02:01,258 INFO L138 BoogieDeclarations]: Found implementation of procedure start_isoc_chain [2020-10-13 01:02:01,258 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_isoc_chain [2020-10-13 01:02:01,258 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_iso_complete [2020-10-13 01:02:01,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_iso_complete [2020-10-13 01:02:01,258 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_rx_frame [2020-10-13 01:02:01,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_int_complete [2020-10-13 01:02:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure start_int_fifo [2020-10-13 01:02:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bchannel [2020-10-13 01:02:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_l2l1 [2020-10-13 01:02:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_init [2020-10-13 01:02:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_probe [2020-10-13 01:02:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_disconnect [2020-10-13 01:02:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_mod_exit [2020-10-13 01:02:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_mod_init [2020-10-13 01:02:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2020-10-13 01:02:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2020-10-13 01:02:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2020-10-13 01:02:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2020-10-13 01:02:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2020-10-13 01:02:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2020-10-13 01:02:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_3 [2020-10-13 01:02:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2020-10-13 01:02:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2020-10-13 01:02:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 01:02:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 01:02:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_22 [2020-10-13 01:02:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_24 [2020-10-13 01:02:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_26 [2020-10-13 01:02:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_27 [2020-10-13 01:02:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2020-10-13 01:02:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2020-10-13 01:02:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_30 [2020-10-13 01:02:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2020-10-13 01:02:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_32 [2020-10-13 01:02:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2020-10-13 01:02:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_34 [2020-10-13 01:02:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_35 [2020-10-13 01:02:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_36 [2020-10-13 01:02:01,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_37 [2020-10-13 01:02:01,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_38 [2020-10-13 01:02:01,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_39 [2020-10-13 01:02:01,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_40 [2020-10-13 01:02:01,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_41 [2020-10-13 01:02:01,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_42 [2020-10-13 01:02:01,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_43 [2020-10-13 01:02:01,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_44 [2020-10-13 01:02:01,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_45 [2020-10-13 01:02:01,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_46 [2020-10-13 01:02:01,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_47 [2020-10-13 01:02:01,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-13 01:02:01,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 01:02:01,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-13 01:02:01,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-13 01:02:01,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-13 01:02:01,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-13 01:02:01,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-13 01:02:01,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-13 01:02:01,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-13 01:02:01,267 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-13 01:02:01,267 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-13 01:02:01,267 INFO L138 BoogieDeclarations]: Found implementation of procedure hisax_register [2020-10-13 01:02:01,267 INFO L138 BoogieDeclarations]: Found implementation of procedure hisax_unregister [2020-10-13 01:02:01,268 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-13 01:02:01,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 01:02:01,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 01:02:01,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-13 01:02:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 01:02:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-13 01:02:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-13 01:02:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-13 01:02:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2020-10-13 01:02:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-13 01:02:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-13 01:02:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-13 01:02:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-13 01:02:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-13 01:02:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-13 01:02:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-13 01:02:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-13 01:02:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-13 01:02:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-13 01:02:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-13 01:02:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 01:02:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 01:02:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 01:02:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 01:02:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 01:02:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 01:02:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 01:02:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-13 01:02:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 01:02:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 01:02:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2020-10-13 01:02:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 01:02:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-13 01:02:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_34 [2020-10-13 01:02:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_35 [2020-10-13 01:02:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_44 [2020-10-13 01:02:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_45 [2020-10-13 01:02:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-13 01:02:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 01:02:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-13 01:02:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 01:02:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-13 01:02:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 01:02:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 01:02:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 01:02:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 01:02:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 01:02:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 01:02:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 01:02:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 01:02:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 01:02:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 01:02:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 01:02:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 01:02:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 01:02:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 01:02:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 01:02:01,278 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2020-10-13 01:02:01,278 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2020-10-13 01:02:01,278 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2020-10-13 01:02:01,278 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2020-10-13 01:02:01,278 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2020-10-13 01:02:01,278 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2020-10-13 01:02:01,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_3 [2020-10-13 01:02:01,279 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2020-10-13 01:02:01,279 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2020-10-13 01:02:01,279 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-13 01:02:01,279 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-13 01:02:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 01:02:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 01:02:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 01:02:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-13 01:02:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-13 01:02:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-13 01:02:01,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-13 01:02:01,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_47 [2020-10-13 01:02:01,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-13 01:02:01,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_46 [2020-10-13 01:02:01,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2020-10-13 01:02:01,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 01:02:01,282 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-13 01:02:01,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 01:02:01,282 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-13 01:02:01,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_36 [2020-10-13 01:02:01,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_41 [2020-10-13 01:02:01,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_43 [2020-10-13 01:02:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-13 01:02:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-13 01:02:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2020-10-13 01:02:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_37 [2020-10-13 01:02:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_38 [2020-10-13 01:02:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_39 [2020-10-13 01:02:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_40 [2020-10-13 01:02:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_42 [2020-10-13 01:02:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-13 01:02:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-13 01:02:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-13 01:02:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-13 01:02:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-13 01:02:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_24 [2020-10-13 01:02:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_32 [2020-10-13 01:02:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2020-10-13 01:02:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_26 [2020-10-13 01:02:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-13 01:02:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_22 [2020-10-13 01:02:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_30 [2020-10-13 01:02:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2020-10-13 01:02:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-13 01:02:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-13 01:02:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-13 01:02:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-13 01:02:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_27 [2020-10-13 01:02:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2020-10-13 01:02:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2020-10-13 01:02:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2020-10-13 01:02:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-13 01:02:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-13 01:02:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-13 01:02:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure hisax_register [2020-10-13 01:02:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure hisax_unregister [2020-10-13 01:02:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 01:02:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure dump_packet [2020-10-13 01:02:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure collect_rx_frame [2020-10-13 01:02:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure symbolic [2020-10-13 01:02:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_start_transfer [2020-10-13 01:02:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure queue_control_request [2020-10-13 01:02:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_complete [2020-10-13 01:02:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure write_led [2020-10-13 01:02:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure set_led_bit [2020-10-13 01:02:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure handle_led [2020-10-13 01:02:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure l1_timer_expire_t3 [2020-10-13 01:02:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2020-10-13 01:02:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure l1_timer_expire_t4 [2020-10-13 01:02:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure s0_state_handler [2020-10-13 01:02:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure fill_isoc_urb [2020-10-13 01:02:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure start_isoc_chain [2020-10-13 01:02:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 01:02:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure stop_isoc_chain [2020-10-13 01:02:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure tx_iso_complete [2020-10-13 01:02:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 01:02:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure rx_iso_complete [2020-10-13 01:02:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 01:02:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure rx_int_complete [2020-10-13 01:02:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure start_int_fifo [2020-10-13 01:02:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bchannel [2020-10-13 01:02:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_l2l1 [2020-10-13 01:02:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_init [2020-10-13 01:02:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_probe [2020-10-13 01:02:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_disconnect [2020-10-13 01:02:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_mod_exit [2020-10-13 01:02:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_mod_init [2020-10-13 01:02:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 01:02:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 01:02:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-13 01:02:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 01:02:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-13 01:02:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 01:02:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-13 01:02:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-13 01:02:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-13 01:02:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-13 01:02:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 01:02:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 01:02:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 01:02:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 01:02:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 01:02:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 01:02:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 01:02:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 01:02:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 01:02:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 01:02:02,726 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 01:02:11,262 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 01:02:11,263 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 01:02:11,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:11 BoogieIcfgContainer [2020-10-13 01:02:11,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 01:02:11,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 01:02:11,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 01:02:11,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 01:02:11,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:01:57" (1/3) ... [2020-10-13 01:02:11,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed2c4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:11, skipping insertion in model container [2020-10-13 01:02:11,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:00" (2/3) ... [2020-10-13 01:02:11,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed2c4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:11, skipping insertion in model container [2020-10-13 01:02:11,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:11" (3/3) ... [2020-10-13 01:02:11,288 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2020-10-13 01:02:11,300 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 01:02:11,316 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 01:02:11,332 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 01:02:11,363 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 01:02:11,363 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 01:02:11,363 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 01:02:11,363 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 01:02:11,363 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 01:02:11,363 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 01:02:11,364 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 01:02:11,364 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 01:02:11,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states. [2020-10-13 01:02:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-13 01:02:11,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 01:02:11,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 01:02:11,417 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 01:02:11,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 01:02:11,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1893428531, now seen corresponding path program 1 times [2020-10-13 01:02:11,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 01:02:11,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492791920] [2020-10-13 01:02:11,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 01:02:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:02:12,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:02:13,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:02:13,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:02:17,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:02:36,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:02:36,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 01:02:36,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 01:02:36,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24196 [2020-10-13 01:02:36,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:02:36,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 01:02:36,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 01:02:36,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-13 01:02:36,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 01:02:42,389 WARN L193 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 1030 [2020-10-13 01:02:42,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 01:02:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:02:42,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:02:46,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:02:46,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:02:46,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:02:46,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3521 [2020-10-13 01:02:46,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:02:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:02:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:02:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 01:02:46,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 01:02:46,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 01:02:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:02:46,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:02:46,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:02:46,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 01:02:46,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:02:46,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 01:02:46,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:02:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 01:02:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 01:02:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 01:02:46,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 01:02:46,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 01:02:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:02:46,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:02:46,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:02:46,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 01:02:46,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:02:46,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 01:02:46,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:02:46,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:02:46,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:02:46,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 01:02:46,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 01:02:46,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 01:02:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:02:46,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:02:46,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:02:46,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:02:46,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:02:46,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 01:02:46,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:02:46,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:02:46,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:02:46,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 01:02:46,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 01:02:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 01:02:46,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [492791920] [2020-10-13 01:02:46,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 01:02:46,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 01:02:46,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878857837] [2020-10-13 01:02:46,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 01:02:46,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 01:02:46,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 01:02:46,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 01:02:46,470 INFO L87 Difference]: Start difference. First operand 1115 states. Second operand 8 states. [2020-10-13 01:02:52,064 WARN L193 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 1033 [2020-10-13 01:03:07,800 WARN L193 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 1039 [2020-10-13 01:03:55,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 01:03:55,068 INFO L93 Difference]: Finished difference Result 1900 states and 2666 transitions. [2020-10-13 01:03:55,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 01:03:55,076 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-10-13 01:03:55,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 01:03:55,104 INFO L225 Difference]: With dead ends: 1900 [2020-10-13 01:03:55,104 INFO L226 Difference]: Without dead ends: 1184 [2020-10-13 01:03:55,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-13 01:03:55,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2020-10-13 01:03:55,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 912. [2020-10-13 01:03:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2020-10-13 01:03:55,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1232 transitions. [2020-10-13 01:03:55,554 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1232 transitions. Word has length 43 [2020-10-13 01:03:55,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 01:03:55,555 INFO L479 AbstractCegarLoop]: Abstraction has 912 states and 1232 transitions. [2020-10-13 01:03:55,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 01:03:55,556 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1232 transitions. [2020-10-13 01:03:55,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-13 01:03:55,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 01:03:55,562 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 01:03:55,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 01:03:55,563 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 01:03:55,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 01:03:55,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1659557469, now seen corresponding path program 1 times [2020-10-13 01:03:55,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 01:03:55,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015675978] [2020-10-13 01:03:55,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 01:03:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:03:56,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:03:56,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:03:59,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:04:05,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:04:05,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-13 01:04:05,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 01:04:05,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9798 [2020-10-13 01:04:05,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:04:05,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 01:04:05,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 01:04:05,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 01:04:05,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:04:06,038 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 19 [2020-10-13 01:04:11,557 WARN L193 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 1030 [2020-10-13 01:04:11,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 01:04:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:04:11,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:04:15,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:04:15,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:04:15,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:04:15,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3431 [2020-10-13 01:04:15,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:04:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:04:15,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:04:15,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 01:04:15,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:04:15,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 01:04:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:04:15,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:04:15,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:04:15,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 01:04:15,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:04:15,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 01:04:15,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:04:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 01:04:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 01:04:15,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 01:04:15,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:04:15,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 01:04:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:04:15,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:04:15,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:04:15,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 01:04:15,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:04:15,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 01:04:15,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:04:15,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:04:15,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:04:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 01:04:15,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 01:04:15,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 01:04:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:04:15,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:04:15,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:04:15,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:04:15,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:04:15,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 01:04:15,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:04:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:04:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:04:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 01:04:15,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:04:15,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 01:04:15,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015675978] [2020-10-13 01:04:15,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 01:04:15,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 01:04:15,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781151982] [2020-10-13 01:04:15,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 01:04:15,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 01:04:15,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 01:04:15,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-13 01:04:15,485 INFO L87 Difference]: Start difference. First operand 912 states and 1232 transitions. Second operand 9 states. [2020-10-13 01:04:20,897 WARN L193 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 1033 [2020-10-13 01:04:29,136 WARN L193 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 1042